I totally missed the pump part. Looked twice. Nice catch on finding it.I don't think I have ever seen a Vanguard without a fuel pump at least in the verticle engines. But according to the parts diagram this has a fuel pump item 387
Briggs & Stratton 358777-0280-E1 - Briggs & Stratton Vertical Engine Alternator, Ignition,, Controls, Governor Spring, Fuel Supply Parts Lookup and Diagrams | PartsTree
Find genuine OEM replacement parts and diagrams for the Alternator, Ignition,, Controls, Governor Spring, Fuel Supply for the Briggs & Stratton 358777-0280-E1 - Briggs & Stratton Vertical Enginewww.partstree.com